Principal Component Analysis by Optimization of Symmetric Functions has no Spurious Local Optima.
Armin EftekhariRaphael A. HauserPublished in: SIAM J. Optim. (2020)
Keyphrases
- principal component analysis
- optimization algorithm
- independent component analysis
- principal components
- discriminant analysis
- constrained optimization
- discrete optimization
- quasiconvex
- face recognition
- optimization model
- covariance matrix
- neural network
- global optimum
- linear discriminant analysis
- optimization process
- dimension reduction
- basis functions
- low dimensional
- dimensionality reduction
- feature space
- machine learning